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    ImagickPixel::setColorValueQuantum

    (PECL imagick 2 >=2.3.0, PECL imagick 3)

    ImagickPixel::setColorValueQuantum — Sets the quantum value of a color element of the ImagickPixel

    説明

    public ImagickPixel::setColorValueQuantum(int $color, int|float $value): bool

    Sets the quantum value of a color element of the ImagickPixel.

    警告

    この関数は、 現在のところ詳細な情報はありません。引数のリストのみが 記述されています。

    パラメータ

    color

    Which color element to set e.g. \Imagick::COLOR_GREEN.

    value

    The quantum value to set the color element to. This should be a float if ImageMagick was compiled with HDRI otherwise an int in the range 0 to Imagick::getQuantum().

    戻り値

    成功した場合に true を返します。

    例

    例1 ImagickPixel::setColorValueQuantum()

    <?php
    function setColorValueQuantum() {
    $image = new \Imagick();

    $quantumRange = $image->getQuantumRange();

    $draw = new \ImagickDraw();
    $color = new \ImagickPixel('blue');
    $color->setcolorValueQuantum(\Imagick::COLOR_RED, 128 * $quantumRange['quantumRangeLong'] / 256);

    $draw->setstrokewidth(1.0);
    $draw->setStrokeColor($color);
    $draw->setFillColor($color);
    $draw->rectangle(200, 200, 300, 300);

    $image->newImage(500, 500, "SteelBlue2");
    $image->setImageFormat("png");

    $image->drawImage($draw);

    header("Content-Type: image/png");
    echo     $image->getImageBlob();
    }

    ?>

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